package com.pl.grainmall.product.exception;

import com.pl.common.exception.BizCodeEnume;
import com.pl.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.ModelAndView;

import java.util.HashMap;
import java.util.Map;

/**
 * 集中处理所有异常
 */
@Slf4j
//@ResponseBody
//@ControllerAdvice(basePackages = "com.pl.grainmall.product.controller")
@RestControllerAdvice(basePackages = "com.pl.grainmall.product.controller")
public class GrainmallExceptionAdvice {


    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题{},异常类型{}",e.getMessage(),e.getClass());
        BindingResult result = e.getBindingResult();
        Map<String, String> map = new HashMap<>();
            //1.获取错误的校验结果
            result.getFieldErrors().forEach((item) -> {
                //FieldError  获取到错误提示
                String message = item.getDefaultMessage();
                //获取到错误属性的名字
                String field = item.getField();
                map.put(field, message);
            });
            return R.error(BizCodeEnume.VAILD_EXCECPTION.getCode(), BizCodeEnume.VAILD_EXCECPTION.getMsg()).put("data", map);
    }

    @ExceptionHandler(value = Throwable.class)
    public  R handleExecption(Throwable throwable){
        log.error("错误:"+throwable);
        return  R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(), BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }


}
